* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: #fff;
}

li {
  list-style: none;
}

input,
textarea {
  outline: none;
}

body {
  min-width: 1500px;
  font-size: 14px;
  color: #003b53;
  font-family: '微软雅黑';
}


/* 导航 */
nav {
  display: flex;
  justify-content: center;
  justify-content: space-between;
  position: fixed;
  z-index: 999;
  top: 0;
  width: 100%;
  height: 60px;
  background: rgba(0, 60, 84, 0.8);
  color: #f2dca0;
}

.left {
  width: 250px;
  height: 60px;
  line-height: 100px;
  display: flex;
  justify-content: space-between;
}

.left p {
  width: 120px;
  height: 60px;
  margin-right: 30px;
  text-align: center;
  font-size: 1.5rem;
  line-height: 60px;
  color: #f2dca0;
}

.left img {
  width: 75%;
  height: 100%;
  margin-left: 30px;
}

.left:hover img {
  transform: rotateY(360deg);
  transition: all 1s;
}

.center {
  display: flex;
  justify-content: space-between;
  width: 1000px;
  height: 100%;
  /* background-color: #000; */
}
nav .center li {
  /* border: 1px solid black ; */
  position: relative;
  float: left;
  width: 160px;
  height: 60px;
  text-align: center;
  line-height: 60px;
  font-size: 18px;
  color: #f2dca0;
}
.center div {
  margin: 0 auto;
  position: relative;
  width: 160px;
  height: 60px;
  text-align: center;
  line-height: 60px;
  font-size: 18px;
  color: #f2dca0;
}

.right {
  width: 250px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  /* background-color: #f2dca0; */
}

.right .h2 {
  margin-left: 50px;
  width: 30px;
  height: 30px;
}

#search {
     height: 30px;
      width: 200px;
      border-radius: 16px;
      float: left;
      background: transparent;
      border: 1px solid #f2dca0;
      margin-top: 2px;
      margin-left: 6px;
      background-image: url(../images/search.png);
      padding-left: 30px;
      background-repeat: no-repeat;
      background-position: 3% 50%;
}

nav .center div:hover {
  color: rgb(199, 29, 57);
  transition: all .25s;
}

/* 导航内容 */

/* 轮播 */
.rotation {
  width: 1000px;
  height: 500px;
  margin: 70px auto;
}

.rotation img {
  width: 100%;
  height: 100%;
}

/* 轮播 */

/* 主文 自我介绍 */
.o1 {
  text-align: center;
  font-weight: 700;
  font-size: 30px;
  color: #003b53;
}

.o2 {
  text-align: center;
  font-weight: 300;
  margin-top: 15px;
  font-size: 15px;
  color: #003b53;
}

.pp {
  width: 700px;
  margin: 25px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  border: 1px solid #003b53;
  position: relative;
}

.pp div {
  width: 210px;
  height: 210px;
  margin: 5px;
  border: 1px solid #003b53;
  border-radius: 50%;
}

.pp .tu {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 0;
  font-family: 'Times New Roman', Times, serif;
}

.pp .tu:nth-child(1) {
  background-size: cover;
  background-image: url(../images/成型.jpg);
}

.pp .tu:nth-child(2) {
  background-image: url(../images/吴晶晶.jpg);
  background-size: cover;
}

.pp .tu:nth-child(3) {
  background-image: url(../images/扎西洋宗.jpg);
  background-size: cover;
}

.pp .tu:nth-child(4) {
  background-size: cover;
  background-image: url(../images/陈锦漪.jpg);
}

.pp .tu:nth-child(5) {
  background-size: cover;
  background-image: url(../images/谭欣乔.jpg);
}

.pp .tu:nth-child(6) {
  background-size: cover;
  background-image: url(../images/刘德轩.jpg);
}

.pp .tu:nth-child(odd):hover {
  background-image: none;
  font-size: 2rem;
  transition: all .5s;
}

.pp .tu:nth-last-child(odd):hover {
  background-image: none;
  font-size: 2rem;
  transition: all .5s;
}

/* 主文 自我介绍 */

/* 留言 */
.o3 {
  text-align: center;
  width: 100%;
  margin: auto;
  font-weight: 700;
  font-size: 30px;
  color: #003b53;
}

.liu {
  width: 900px;
  height: 650px;
  margin: 50px auto 0;
  /* background-color: #f2dca0; */
}

.liu .block {
  width: 800px;
  height: 80px;
  margin: 0 auto;
  margin-top: 10px;
  border-bottom: 2px solid #CCC;
}

.liu div div {
  width: 700px;
  height: 50px;
  margin: 0 auto;
  line-height: 25px;
}

.liu .tuu {
  float: left;
  margin-right: 10px;
  height: 60px;
  width: 60px;
  border-radius: 50%;
}

.liu div div .a1 {
  color: rgb(187, 187, 187);
  font-size: 17px;
}

.liu div div .a2 {
  color: rgb(187, 187, 187);
  font-size: 12px;
}

/* 留言 */

.f1 {
  display: flex;
  width: 900px;
  height: 300px;
  margin: 0px auto 25px;
  border-top: 1px solid #ccc;
  background-color: #003b53;
}

.f1 p {
  color: #f2dca0;
  margin-bottom: 20px;
  font-size: 15px;
}

.f1 ul {
  width: 500px;
  height: 200px;
  margin-left: 30px;
}

.f1 ul li {
  float: left;
  margin-top: 40px;
  margin-right: 20px;
}

.f1 ul li input {
  width: 200px;
  height: 30px;
}

.liuyan {
  width: 300px;
  margin: 20px auto;
}

.liuyan textarea {
  width: 300px;
  height: 150px;
}

.bt input {
  width: 100px;
  height: 40px;
  margin: 15px;
  background-color: #f2dca0;
  font-size: 18px;
  color: #003b53;
}

/* 留言 */

/* footer */
footer {
  width: 100%;
  height: 100px;
  background-color: #003b53;
}

#marquee_text {
  position: absolute;
  top: 0;
  left: 100%;
  line-height: 20px;
  display: block;
  word-break: keep-all;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 15px;
}

.mains p {
  color: #fff;
  text-align: center;
  font-size: 14px;
}

footer .mains p:hover {
  color: #f2dca0;
}

footer .mains {
  padding-top: 15px;
  margin: 0 auto;
  width: 800px;
  height: 100px;
}

#marquee {
  color: #f2dca0;
  display: block;
  width: 96%;
  height: 30px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}